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GridView.EnableSortingAndPagingCallbacks Property

Gets or sets a value indicating whether client-side callbacks are used for sorting and paging operations.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public virtual bool EnableSortingAndPagingCallbacks { get; set; }
<asp:GridView EnableSortingAndPagingCallbacks="True|False" />

Property Value

Type: System.Boolean
true to use client-side callbacks for sorting and paging operations; otherwise, false. The default is false.


The Columns collection contains a column that does not support callbacks, such as TemplateField.

By default, when a sorting or paging operation is performed, the GridView control posts back to the server to perform the operation. When the EnableSortingAndPagingCallbacks property is set to true, a service is called on the client to perform sorting and paging operations, which eliminates the need to post back to the server.


Not all browsers support this feature. To determine whether a browser supports this feature, use the SupportsCallback property.

All columns in the Columns collection must support callbacks for this feature to work. If the Columns collection contains a column that does not support callbacks, such as TemplateField, a NotSupportedException exception is raised.

The following example demonstrates how to use the EnableSortingAndPagingCallbacks property to enable client-side callbacks for sorting and paging operations.

<%@ Page language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
<html xmlns="" >
  <head runat="server">
    <title>GridView EnableSortingAndPagingCallbacks Example</title>
    <form id="form1" runat="server">

      <h3>GridView EnableSortingAndPagingCallbacks Example</h3>

      <asp:gridview id="CustomersGridView" 
        emptydatatext="No data available." 


      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 


Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0